The most important and laborious repair tasks are the work to align the floor or its screed, because it is precisely on their quality that the durability and appearance of the floor finish coating will depend on their quality. It is far from always in residential buildings and office buildings that you can find ideal conditions for the flooring of linoleum, parquet or carpet, which means that before they put them, you should work properly to create a reliable and even base. In the article, we will consider the main manufacturers of a rude moisture for the floor and the technique of working with it.
The need to equalize the base arises both during the overhaul and in cosmetic, when the entire old floor is dismantled, and under it all the existing surface deficiencies are revealed. In such cases, experts recommend making a screed using special rude apartments for the floor.
Dry spinning multicomponent construction mixture used to align the surface of the draft floor, as well as eliminating most defects: cracks, pits, tubercles, chips, etc. All available mixtures are divided into starting alignment and finish, in addition, they differ in composition, fractions and filler structure and basic properties.
A rough sprout is used in cases where it is required to eliminate serious defects or a large height drop at different points of the floor. Large particles are added to its composition, and after the clip, such a solution can be applied in one passage with a thick layer, with the final drying of the screed, it turns out to be as strong and resistant to the appearance of cracks.
Any durable surfaces, such as concrete slabs, stone or brick masonry, can act as a base for a coarse diller.
The main characteristics of a rough apart for the floor
The unit for the installation of the basic flooring, as a rule, consists of a cement-sand mixture and has the following technical parameters
Appointment. Depending on the brand of goods, it can be applied:
for the installation of leveling screeds on a solid and solid base (concrete, brick, stone, cement) with the subsequent laying of the finish flooring;
for the device of the base layer in warm floors;
to create an inclined floor or pour the base with a slope;
for filling the floating screed;
to create a final layer that does not involve additional coating, with the possibility of painting by concrete paints.
The main positive qualities:
frost resistance;
thermal insulation;
noise absorption;
plasticity of the solution;
high adhesion with the base;
moisture resistance;
the probability of cracking is reduced;
wear resistance;
environmental friendliness.
Compound:
cement (brand M200-M400);
polyptional sand;
mineral fillers;
polymers;
some mixtures can add lime or reinforcing fibers.
Color. From dark gray to a light gray shade, depending on the number of additional components.
The size of the fraction - 0.5-1.2 mm.
Recommended thickness of one layer. Almost all mixtures can be applied at a time from 5 mm to 7 cm at a time. There are several special compounds that involve an increased application thickness of up to 10 cm or reduced to 2 mm.
The viability of the solution. Cement compounds have the properties to quickly harden in the open air, so the prepared solution, depending on the composition, should be used in 30-80 minutes (the fewer additional additives, the faster he hardening).
Group. For an area of \u200b\u200b1 m2 at a layer of 1 mm, 15-17 kg of dry matter is consumed, as a rule, the manufacturer indicates the package for which area 1 mixture bag is calculated, for example, a PROFIT PROFIT Monolith 25 kg when 3 cm pouring is designed for 0.5 M2, that is, at 16 m2, with such a layer thickness, you will need to purchase 800 kg of an equalizer or 32 bags.
Water consumption. For the closing of the mixture, the proportions of water/powder are observed: 130-200 ml/1 kg, in accordance with the instructions of the manufacturer on each particular product. Do not exceed the norms of water consumption, since the solution will not have proper strength.
Frost resistance. The mixture can withstand up to 50 freezing / defrosting cycles without loss (F50 marking).
Temperature. The rough sprout evenly and high -quality dries at the temperature of the base and the surrounding air from +5 to + 25 degrees.
Drying time. It is allowed to walk on the hardened surface after 7 hours, pouring the second layer after 24 hours, laying finish coatings after 7-14 days, complete drying of 28-35 days (the data is calculated at ambient temperatures +20- +25 degrees, at a lower temperature time. drying increases).
Storage conditions and deadlines. Products are stored in intact factory packaging, in a dry room, for 6-12 months from the date of production. It is recommended to additionally pack paper bags in a plastic film and lay them on pallets.
Packing. The goods are packaged in paper bags of 20 and 25 kg.
Methods of application
The rude moist is used as a basic floor mixture on concrete and cement-sand bases. Before proceeding with the mixing of the solution, it is necessary to carry out preliminary work, which primarily include the correct preparation of the basis for filling.
How to prepare a surface for applying a rough diller
The bases for the device of screed should be durable, solid and clean. These are three main conditions that must be observed without fail. If it is supposed to fill the solution onto the concrete surface, then you should make sure that it gained proper strength, as a rule, this occurs within 2-3 months, the cement-sand base gains strength within 28-35 days.
The deep on the basis of deep, more than 1-2 cm, cracks or fossa are sealed using the same moat, which is supposed to be used in the future. If there are too high cement ledges or mounds, then they are knocked down with a hammer or perforator.
After the surface acquires a more or less even appearance, you can proceed to clean it from dirt, dust, as well as from spots that reduce adhesion (oil, paint, bitumen). Large pieces of garbage are removed manually or with a brush, a construction vacuum cleaner will help to get rid of fine pollution and dust. Fat spots can be cleaned with sandpaper, or treated with a solvent.
The purified surface should be primed with a composition specially designed for these purposes. For example, impregnations from Livna: PROFIT GN12 soil, or strengthening PN27 impregnation. Their main purpose is to preliminary process strong -feeding materials for the subsequent application of various mixtures for floors.
The primer should be treated at least 5 hours before the main work. Grunning helps to achieve uniform drying of the spell, reducing the absorbent abilities of concrete or cement surfaces, which minimizes the likelihood of forming shrinking cracks on the finished layer.
How to knead the solution correctly
In the preparation of a working solution from a dry substance, one rule is poured into the water, and not vice versa. This allows you to get a quality mixture, without lumps. Conscientious manufacturers always indicate on the package how much liquid is necessary for the clip of 1 kg of construction powder (or proportions with the calculation per bag). On average, a 25 kg of a mixture will require 5-6 liters of clean water at room temperature. When adding a larger amount of liquid than the manufacturer recommends, it is impossible to get a qualitative result, the appearance of cracks inevitably on the screed, and, in addition, the finished layer will not correspond to the declared strength.
Water is poured into a plastic or silicone container and a dry substance is added to it, then for 5-8 minutes the solution is stirred by a construction mixer, a hand-headed stirrer or a drill with a special nozzle. After that, for 5 minutes, the solution is left, and after this time it is again mixed for 2-3 minutes.
It should be remembered that cement mixtures have a short vitality time, as a rule, it ranges from 60-90 minutes, so it is worth preparing such a amount of a mixture that is easy to use up for this time period.
Grilled diller filling technology
The screed on a large area is poured with stripes between pre -installed beacons. Lighthouses are metal profiles that are installed through certain gaps and level the solution in height in one plane. The distance between them can vary from 50 cm to 1.5 m.
To the base, the profile is fixed to the cement mortar, that is, along each guide, after 30-40 cm, the mixture is applied with petals, the beach profile is installed on top, while it must be slightly pushed for more durable fixing. Be sure to equalize each with a building level. The height should correspond to the planned height of the screed (1-8 cm).
A dampfer tape is glued along the perimeter of the processed room, which is also called a regional or heat -assembly strip. It is used to compensate for thermal expansion of the screed and relieve voltage from the flooded layer and is mandatory when filling the surface with an area of \u200b\u200b32 m2.
It is made of foamed polyethylene 0.8 cm thick and 15 cm wide, one side is made of self -adhesive material, due to which the installation is simplified as much as possible, in addition, the upper part of the tape has perforated strips 1 cm wide, which is easily separated if the tape exceeds The height of the screed.
The prepared solution is poured between the two beacons and the mixture is aligned with a metal spatula, then using the rule or the rail, the layer is smoothed, while the formation of voids is necessarily controlled and they are sealed in time. If it is necessary to lay the solution in several layers, then each previous one is dried not for 24 hours.
A technology is also practiced in which lighthouses or rails do not remain in the mixture, but are removed. For this, guides, aligned in level in a single plane, are installed on the prepared surface. The filling of a rude equalizer is carried out through one cell. After the mass froze, the stoppers are removed and the solution is poured into empty cells, aligning the mixture through already flooded blocks.
It is not always possible to fill the solution directly on the base, for example, with its insufficient strength or if it is impossible to clean from fat spots that reduce adhesion, in such cases it is recommended to arrange floating screeds.
The device of the screed on the separation layer
As a rule, such screeds are equipped on the first floors of buildings, as well as in rooms where it is necessary to increase heat and sound insulation. In addition, due to an additional layer, the consumption of a coarse diller is reduced, since the thickness of its filling will decrease.
Swimming screeds are called due to the fact that the main solution has no contact points with the walls or floor slabs, but is located on a special substrate and is fenced around the perimeter of the dumpfer ribbon. As heat and soundproofing materials, slabs of foamed or extruded polystyrene foam, as well as mineral wool, isolon and other products designed for floors are used.
In general, filling the floating screed practically does not differ from the technology of simple flooding of the spill. The same tools and conducting the same operations are required. The grounds on which it is planned to lay the lining layers is cleaned of garbage, if there are deep cracks or holes, then they are sealed with a cement mortar or glue for ceramic tiles. All protruding parts are knocked or cut (for example, the loops of the floor slabs are best cut off using a grinder).
Next, the pin lights from self -tapping screws or guides from aluminum profiles are installed. If necessary, lay a vapor barrier layer. Without fail, a wide dampfer tape is glued around the perimeter of the wall. The prepared base is covered with a plastic wrap or foil, with an overlap of sheets on each other at least 10 cm. If necessary, insulating plates are laid on top, the joints between them are sealed with a painting tape, and another layer of film, on which a grilled spill will be poured.
The floor, flooded with rude sprout, requires protection for at least 72 hours from drafts, direct sunlight and heating heating devices. Such measures are necessary to prevent drying out of the mass, its uneven drying, since otherwise the appearance of cracks on the screed cannot be avoided. If it is planned to carry out plastering or putty using gypsum mixtures, as well as work with drywall, then they should be done only after the screed is completely dried.
Manufacturers and prices
For a long time, several manufacturers successfully conduct their activities in the Russian market, in the commodity assortment of which dry cement mixtures for rough leveling of the floor are not the last place.
Volma Corporation
Volma LLC was founded in 1999 in the city of Volgograd. Today it is the largest construction and production group of the Russian Federation, which includes 6 factories, 9 centers for the sale of products and 150 dealers, located, including in Belarus (Minsk). In 2009, new production lines were opened and the company began the production of dry building mixtures for floors on a cement basis.
The main direction is the production of the Volm, products, the main component of which is gypsum. Therefore, the range of cement products is not so great. The factories produced a Volma-river, a rough basic floor powder mixture for the initial floor filling on the concrete or cement-sand base. The permissible thickness of the leveling layer is from 1 to 10 cm. It is used for the construction of the floor during new construction and when repairing the surface that have been in operation for a long time.
The mixture can be used both in covered rooms and in the open air. It implies a manual method of application, can serve as the basis for the subsequent filling of self -leveling mixtures. Packing 25 kg, cost from 180 to 230 rubles. For packaging. This manufacturer of a rude floor for the floor has many positive consumer reviews.
Hercules-Siberia
The Novosibirsk plant for the production of dry mixtures for repair is a leading manufacturer of high -quality building materials in the Siberian region. Hercules products are distinguished by economical consumption and ease of installation, and thanks to the use of materials with an increased quality requirement, all plants of the plant have guaranteed high operational characteristics. Dry mixtures for gender from Hercules company contain various polymers and modifiers, due to which adhesion and elasticity of the solution increase, as well as wear resistance and waterproofness of the finished layer.
Rude span for floor Hercules It is used to create seamless floors on strong bases. In one pass, it is allowed to apply a layer from 5 mm to 10 cm. The mixture is intended only for work in rooms with a roof. The resulting basic floor is moisture resistance. The product includes coarse quartz sand, composite astringent and polymer additives. The goods are packed in three -layer paper bags weighing 25 kg, costing from 180 to 200 rubles.
Mask
LLC MASKA - a plant for the production of building dry mixtures on a cement basis. Production was founded in 1999 and today the company occupies a leading position in its industry in the Siberian and Far Eastern region. Products are characterized by stable operational characteristics, high quality and ease of use, as well as an affordable price. Construction mixtures have unique additives that allows them to be used even in harsh climatic conditions.
Rough floor apart from the company Mask Used for the basic device and aligning the horizontal surface in rooms with various purposes. The composition of the product includes substances such as cement, polyphraction sand and various chemical additives. Squamable soils, reinforced concrete ceilings, gravel-sand surfaces and other solid materials can act as the basis for applying the mixture. The main advantages of the spin is its high strength. It is supplied in packages of 25 kg, the cost per bag from 150 to 200 rubles.
Profit (Livna)
The Profit plant is one of Livna’s divisions, it began work in 2003 and today it produces more than 50,000 tons of powdered construction mixtures. The pride of the plant is complete automation of the line of management of the production process lines, which makes it possible to achieve the manufacture of high -quality products. Profit mixtures combine advanced achievements of science and technology, with first -class raw materials. In 2007, with the support of German companies, a line for the production of dry mixtures intended for applying the machine was opened, and MN labeling appeared in the product.
Profit monolith- a rough floor apart for manual application of leveling ties, an allowable layer thickness of 5 mm to 7.5 cm. Cement-sand mortar can be used on concrete and cement bases when creating a warm floor and floating screeds, as well as a finish layer, not involving further overlap. A linoleum, carpet, laying tiles and laminate, as well as apply self -leveling floor solutions, can be covered on a layer of the spinning rod. It is used both inside and outside the buildings. The mixture includes ecologically safe substances, such as cement, coarse sand, mineral fillers and special polymers that provide the solution with plasticity and adhesion, and the finished layer is strength, moisture and frost resistance. It is produced in paper bags of 25 kg, the cost of packaging from 130 to 200 rubles.
Profit Monolith Mn- the basic apiste used to device leveling layers using machine application. The permissible thickness of one layer varies from 5 mm to 7 cm. The solution can be used to create a base layer under the subsequent application of finish flooring, and also itself is the final layer. The environmental friendliness of the product is confirmed by various certificates. It is packed in paper three -layer bags of 25 kg, costing from 160 to 220 rubles.
MC-Bauchemie
The Russian-German company was created in 2001, by joining the Russian company, the German concern MC-Bauchemi. Today, the plant located in the city of Kirovsk is engaged in the production of products under the brand of tile. All products manufactured have quality certificates and comply with the highest European standards. The company produces a number of goods intended for gross alignment of floors.
P1 Easy Timm- a mixture, for rough leveling of concrete bases and other monolithic surfaces, is suitable for the installation of floors with a slope, as well as for laying a tile, parquet and may act as a basis for bulk floors. The recommended layer thickness is from 1 to 5 cm. The solution is used in the work inside and outside the building, it is cross -resistant and frost -resistant. Packing in paper packages of 25 kg, average price from 200 rubles.
P1 Pro - the basic sprout for concrete bases, the permissible thickness of the applied layer of 1-5 cm. It can be operated without the finish flooring, and also painted with concrete paints. Packed in paper bags of 25 kg, average price 260 rubles.
Tample P1 is light - A rough sprout designed for the installation of the base floor indoors. In one pass, it is allowed to apply the solution with a layer of 2 to 10 cm. The material consumption is reduced. It involves the flooring of the finish coating. Packed 20 kg, cost per bag from 300 to 350 rubles.
Timlinitis P200- a professional composition intended for use in industrial and household premises, as well as when pouring the base from the outside of buildings. It can be used as a leveling base layer, to cover pipelines and the creation of surfaces with a slope. The mixture is allowed to be poured into concrete, soil and sand. It can be operated without a finish coating. The thickness of one layer is from 2 to 10 cm. The finished layer is characterized by increased wear resistance, due to the presence of reinforcing fiber in the composition. Packed in paper bags of 25 kg, the cost per pack 360-400 rubles.
Bedvest
The Bedvest trade and production company began its activities in 2001 and was engaged in the manufacture of paving slabs, in 2007 a new direction was created for the production of dry building mixtures. All company products are made according to the proven recipe for the best European chemical concerns. Bridvest goods are delivered and actively used throughout Russia, including in regions with severe climatic conditions. The advantage of products is the optimal ratio of price and quality.
Bridvest Nb 52- a rough sprout designed to create seamless floor structures on a solid and strong base. The thickness of the layer in one pass is from 1 to 5 cm. The price of a rough spoon for the floor of Bedvest Nb 52 varies from 150 to 150 rubles. When packing 25 kg.
A rough moo for the floor is an indispensable material at an affordable price. Due to its special qualities, it reduces the pressure on the base (on the floor of the floor and on the design of the entire building), increases the operational properties of the flooring and helps to master the repair in the shortest possible time.